Porphyry deposits pdf
WebOct 1, 2011 · Summary Porphyry deposits of the circum-Pacific region contain a large amount of the world’s copper, molybdenum and gold. These deposits are formed from … Web5.1 New Online Genesis of the Questa Mo Porphyry Deposit and Nearby Polymetallic Mineralization, New Mexico, USA Contrasting Features and Volcanostratigraphy of the Mafic-Hosted Mandoos and Shinas Volcanogenic Massive Sulfide Deposits, Samail Ophiolite, Oman
Porphyry deposits pdf
Did you know?
WebAug 1, 2002 · This publication contains a computer file of information on porphyry copper deposits around the world. It also presents new grade and tonnage models for three … WebAug 25, 2024 · There is several porphyry and skarn indexes in study area that one of the porphyry copper deposits are mined (the sungun deposit). The Sungun intrusive complexes intruded along the Sungun anticline into Cretaceous limestone and trachy andesite Eocene tuff and agglomerate along the Sungun anticline (Hezarkhani, Citation 2003 ; Hezarkhani ...
WebPorphyry deposits are formed in arc-related settings and are associated with subduction zone magmas. Porphyry deposits are clustered in discrete mineral provinces, which … WebPorphyry Cu systems host some of the most widely distributed mineralization types at convergent plate boundaries, including porphyry deposits centered on intrusions; skarn, carbonate-replacement, and… Expand 2,106 PDF View 3 …
WebApr 15, 2024 · The magmatic process within upper crust encompasses various contents such as the transition between magmatic and hydrothermal systems and changes in … WebJun 1, 2000 · Generally, porphyry deposits are distinguished by a large volume of low-to medium-grade Cu-Mo-Au concentrations in the form of disseminated and vein-, stockwork …
WebShapinggou porphyry Mo deposit is the largest Climax-type Mo deposit in China and probably also in the world, with total proven Mo reserves of over 2.2 million tonnes at an average grade of 0.17%. It… Expand 44 Highly Influenced View 3 excerpts, cites results ... 1 2 3 4 5 ... References SHOWING 1-10 OF 70 REFERENCES SORT BY
WebApr 12, 2024 · The Kighal porphyry Cu deposit, in the Arasbaran magmatic belt (AMB), is hosted by Late Eocene to Oligocene volcanic rocks and Miocene high–K calc–alkaline subvolcanic intrusions. The Miocene quartz monzonite stocks host porphyry–style Cu mineralization characterized by potassic, phyllic, argillic, and propylitic alteration zones … polygon graph exampleWebintrusions that may host porphyry copper deposits (Carlson and Mabey, 1963; Raines, 1978; Turner and others, 1982; Abrams and others, 1983). Large alteration halos surrounding exposed porphyry copper deposits are easily identified on remote sensing images. Vegetation in the vicinity of buried porphyry copper deposits may be stressed by metal ... shania twain childhood homeWebThis publication contains a computer file of information on porphyry copper deposits from around the world. It also presents new grade and tonnage models for porphyry copper … polygon guide ethermineWebPorphyry copper deposits are copper ore bodies that are formed from hydrothermal fluids that originate from a voluminous magma chamber several kilometers below the deposit itself. Predating or associated with those fluids are vertical dikes of porphyritic intrusive rocks from which this deposit type derives its name. shania twain children\u0027s namesWebJan 1, 2000 · Gold-rich porphyry deposits worldwide conform well to a generalized descriptive model. This model incorporates six main facies of hydrothermal alteration and … polygon group incWebAug 23, 2024 · In our previous study on petrogenesis of quartz syenite and granite porphyry, the host rocks of the Late Mesozoic Shapinggou Mo deposit in the Qinling–Dabie orogenic belt, we found that the initial Sr isotopic composition of the host rocks is strongly affected by the degree of K-alteration. Here, we provide further isotopic evidence of the host rocks … shania twain christmas albumWebThe deposits were discovered by reconnaissance stream silt geochemistry, which detected anomalies of the order of 500 to 1,000 ppm Cu, against a background of 100 ppm Cu, with anomalous trains extending up to 3 km downstream. Subsequent follow-up revealed stream silt anomalies as high as 1.5 percent Cu. shania twain citi presale code